Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san va hoi snippets" » "san van hoi snippets", "sang va hoi snippets", "ban va hoi snippets", "san xa hoi snippets", "san va hoc snippets", "san va hoa snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("san va hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("san va hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san va hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san va hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.